function data_combine = combine_data(seq1,seq2)

[m2 n2] = size(seq2);
data_combine = seq1;
[m n] = size(data_combine);
%data_combine(:,n+1:n+n2) = seq2(:,1:n2); 
data_combine(m+1:m+m2,:) = seq2(1:m2,:);